Architectural and Engineering Glossary
B
Any cut not at right angles.
A device for holding wood moldings in cutting a miter.
In carpentry,a joint in which two pieces meet at other than a right angle.
A graduated semicircular protractor having a pivoted arm;used for measuring or marking off angles.
See clapboard.
A carpenter’s tool,similar to a square but having a blade that can be adjusted to any angle.
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See bevel.
See king closer.
A half-lap joint in which the abutting surfaces are cut at an angle to the plane of the timbers.
A floor joist having its upper edges beveled.
A pipe which has one end angled so that it mates with a complementary pipe end.
An ornament shaped like a coin or disk;sometimes used in a series in decorative molding designs.
The bevel or sloping edge of a cutting tool,as an ax or chisel.
Abbr.for backflow preventer.
Abbr. for Brinell hardness.
Abbr.for Brinell hardness number.
Abbr.for brake horse power.
See basic insulation level.
Abbr.for the Brick Industry Association,Reston,VA 201191-1525;formerly the Brick Institute of America.
The bending of a member about two perpendicular axes simultaneously.
Same as bibcock.
Same as bibcock.
An ordinary bibcock which is closed by screwing down a handle,thereby closing a washer disk onto a seating in the valve.
A library;a place to keep books.
A turret or watchtower.
The date established by the owner or the architect for the receipt of bids.Also see bid time.
A form furnished to a bidder to be filled out,signed,and submitted as his bid.
Same as bid security.
See bid opening.
The date and hour established by the owner or the architect for the receipt of bids.Also see bid date.
A low,basin like plumbing fixture on which the user sits;used to wash the posterior parts of the body.
A plant whose life cycle is completed in two growing seasons.
Divided by a colonnete into two arches.
Having two doors or windows.
Having two fronts or faces looking in opposite directions,as a double herm.
Same as bifrons.
A chariot similar to a quadriga but drawn by two horses.
Same as quantity survey.
A type of corrosion which takes place between two dissimilar metals that make prolonged contact with each other.
A device formed of two metals which are bonded together,each having a different coefficient of thermal expansion;used in temperature-indicating and temperature controlling devices.
A container for storing loose materials,such as sand or crushed rock.
The lead strips used to form the perimeter around a small pane of glass.
Material consisting primarily of fine soil particles (fine sand,silt,clay,and colloids);has good binding properties.Also called clay binder.
That liquid portion of a paint which solidifies and binds together the pigment particles and develops adhesion to the painted surface.
Any timber which serves to tie together various parts of a frame.For example,see summerbeam.
See binder course.
A beam which supports the common joists of a wood floor above and the ceiling joists below;commonly,joins two vertical posts.
A piece of lumber which is nailed between two opposite beams or joists to prevent lateral deflection;a straining beam.
A post attached to an electric cable,wire,or apparatus,for making a connection to it conveniently.
A longitudinal timber which supports the roof rafters between the ridge and the eaves,as a purlin.
